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introduction： This paper analyzes the bearing of boiler rotating equipment in thermal power plant[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]There are several reasons for high temperature,And put forward the corresponding preventive measures。High bearing temperature is a common and harmful fault of rotating equipment,Will reduce the service life of bearings
2015-01-07 Reading quantity 1603
introduction：one、The operator must pass the examination，Holder of this machine tool《Equipment operation certificate》The machine can be operated。 two、Work hard before you start： 1、Read the shift records carefully，Understand the operation and problems of the previous machine。 2、Inspection machine、workbench、Guide rails and main sliding surfaces，If there is an obstacle、tool、Scrap iron、impurity，Must clean up、Wipe clean、Apply oil。 3、Inspection table，Guide rail and main sliding surface have new pull、r、Be injured by a collision，If so, the team leader or equipment personnel should be notified to check together，And keep records。 4、Check safety protection、immobilize（locking
2015-01-07 Reading quantity 2895
introduction：1.The first is based on bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Rolling sounds to identify and check We can use a sounder，To Japan in actionINAThe size and sound quality of the bearing rolling sound are checked。Because the bearing even has a slight peel and other damage，Abnormal and irregular sounds can also be produced，Therefore measured
2015-01-07 Reading quantity 1566
introduction：Some high strength or high hardness metal materials have poor machinability，Shorter cutting or tool life，Or scrap、Chip breaking difficulty，Or the quality of the machined surface is poor，Or a combination of these phenomena，Therefore, these materials are called difficult to process metal materials。The difficult metal materials often encountered in cutting processing are stainless steel、Titanium alloy、superalloy、High strength steel and high manganese steel。 The main reason why this kind of metal material is difficult to process is：①The material contains high melting point alloying elements such as iron、titanium、chromium、cobalt、nickel、vanadium、tungsten、Molybdenum and manganese, etc，They combine with each other，Or nitrogen、boron、Carbon and other elements combined，harden
2015-01-07 Reading quantity 2838
introduction：Carving processing is full of human high intelligence and high skill craftsman labor，Contemporary engraving manufacturing technology is experiencing a shift from hand engraving toCNCThe revolution of sculpture。This article describes in detailCNCComputer engraving machine and CNC milling machine、Machine structure of machining center、Control system、Application software and other aspects of the relationship，The application is also introducedMasterCAMisosoftwareCAMprogramming，The process of machining mold core in computer engraving machine。 CNCComputer engraving machine in recent years in China has a greater development，In foreign countries, there has long been the term engraving and milling machine（CNC Engraving A
2015-01-07 Reading quantity 2816
introduction： Spray dryer for small production： The spray volume is3-10L/h，The electric direct-coupled rotary atomizer is adopted，Parallel flow drying，product-free，Easy to clean，Suitable for hospital pharmacies，Small and medium-sized scale production of traditional Chinese medicine preparations such as pharmaceutical factories。 Process flow： ①Charge pump、peristaltic②Rotary atomizer ③Air filter④Electric heater⑤Drying chamber ⑥Cyclone separator⑦Bag type dust collector⑧Air blower Performance parameter：
2015-01-07 Reading quantity 2815
introduction：The main observation when detecting the rivet head is that there is no relationship to skew，Loose welding position is incorrect。Welding quality。The weld is too small，There is no welding or soldering，Problems caused by solid ball cards。Deep groove ball bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The testing requires special attention in the process。There are also some caveats
2015-01-07 Reading quantity 1461
introduction：bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The common quality defects of parts after heat treatment are：Quenching microstructure overheating、underheating、Quenching crack、Insufficient hardness、Heat treatment deformation、Surface decarburization、Soft spot scheduling。 1.superheating fromFAGImported bearing[Imported bearing:Simply put, imported bearing agent refers to engaging in a certain
2015-01-07 Reading quantity 1547
introduction：bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]One revolution、Raceway surface of inner ring and outer ring，Due to the rolling contact with the rolling element，Therefore, the trajectory is dark，The running track attached to the raceway surface is not abnormal，The load conditions are thus known，So with the bearing removed，Please pay close attention and observe the running track of the raceway surface。
2015-01-07 Reading quantity 1461
introduction：The problem of bearing bush when the induced draft fan is running Xutang power generation Co., LTD2×300MWExtension project6The induced draft fan of Unit No. 1 is manufactured by Chengdu Electric Power Machinery FactoryAN28e6Stator vane adjustable axial flow fan，Air volume is268.74m3/s，Wind pressure is4711Pa；The motor is the model provided by Shenyang Electric Motor Co., LTDYKK710-8Electric machine，Motor speed is744r/min，The power is1 800kW，The voltage is6000V。Both ends of the motor are plain bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its a mechanical transmission
2015-01-07 Reading quantity 1466
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